Lamp



FIG. 1 is a front view of a lamp in accordance with the new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The broken lines in the drawings show portions of the lamp that form nopart of the claimed design.

CLAIM The ornamental design for a lamp, as shown and described.